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Meeting Materials Science & Technology 2019
Symposium Advanced Manufacturing, Processing, Characterization and Modeling of Functional Materials
Presentation Title Optimizing Additive Manufacturing of NiTi by Controlling Linear and Volumetric Energy Densities
Author(s) Sayed Ehsan Saghaian, M. Nematollahi, G.P. Toker, A. Hinojos, M.J. Mills, M. Elahinia, M. Elahinia, H. Karaca
On-Site Speaker (Planned) Sayed Ehsan Saghaian
Abstract Scope Any variation in the processing parameters of selective laser melting fabrication could impact the performance of the final product. In this study, the effects of laser power, scanning speed and hatch spacing on the NiTi shape memory alloys were evaluated and related to the linear and total energy densities. Multiple Ni50.8Ti49.2 samples were systematically fabricated with selected laser power from 50 to 250 W and their microstructure, transformation temperatures, texture, and shape memory response were investigated. It was demonstrated that only using the energy levels cannot explain the trends observed.
Proceedings Inclusion? Planned: At-meeting proceedings


Computational Design of Additively Manufactured Compositionally Graded Alloys
Connecting Process Parameters to Grain Structure of Parts Produced by Laser Powder-bed Fusion Additive Manufacturing Using a Monte Carlo Potts Model
Design-Processing-Properties of Alternating/Multi-Layered, Metal-ceramic Composites Fabricated via Laser-based Additive Manufacturing
Direct Energy Deposition Material Process Validation for Remanufacture, Restoration, and Coating for Ground Vehicle Systems
Effects of Heat Treatments on H-phase Growth in Thermo-mechanically Processed NiTiZr
Effects of High Temperature Oxides on the Thermomechanical Properties of NiTiHf20 Shape Memory Alloy Wires
Effects of Hot-isostatic Pressing on the Microstructural and Magnetic Properties Development in Permalloy-80 Manufactured by Laser Powder Bed Fusion
Effects of Laser-beam Defocus on Microstructural Features of Compositionally Graded WC/Co Composites Additively Manufactured by Multi-laser Metal Deposition
Effects of Ni during Thermo-mechanical Processing in Ni-rich NiTiHf High Temperature Shape Memory Alloy
Epitaxial Growth of a Magnetic Shape-memory Alloy: Laser Metal Deposition of Ni-Mn-Ga
Integrated Heat Transfer and Material Model to Predict Magnetic Field-induced Strain in an Additively Manufactured Magnetic Shape Memory Alloy
Investigating SOFC Electrode Microstructures and Performance Degradation: A High Throughput Integrated Model
Investigation of the Deposition Mechanism of Nano-CeO2 Catalyst within SOFC Electrodes using Bio-adhesive Catechol Surfactants
Laser- and Binder-based Additive Manufacturing and Post-processing of Functional Magnetic Materials
Laser Powder Bed Fusion of Ti-rich TiNi Graded Lattice Structures: Process Optimisation, Geometrical Integrity and Mechanical Property
Machine Learning for Solving Metals AM Problems
Magnetic Shielding Promotion in Laser Powder Bed Fusion of NiFeMo Permalloy via Directional Grain Formation and Thermal Post Processing
Microstructure and Thermoelectric Properties of [001]c Grain-aligned Ca3Co4O9 Ceramics Prepared by Template Grain Growth
Numerical Modeling of Solid Scrap Melting above Bath in an Electric Arc Furnace
On the Effect of the Build Direction in Mechanical Fatigue Life of the SLM Fabricated NiTi
Optimization of Process Parameters for Additive Manufacturing of High Temperature Shape Memory Alloys
Optimizing Additive Manufacturing of NiTi by Controlling Linear and Volumetric Energy Densities
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P2-37: Self-powered Hydrophone with Broadband Frequency and Rationally Designed Directivity Pattern via 3D Printing Using Piezoelectric Metamaterials
P2-38: The Solid Oxide Fuel Cell NiO Based and Microstructure Surface Fractal Characterization
P2-39: Effects of Cooling Rate and Ti Addition on Microstructure, Mechanical Properties and Corrosion Characteristics of Laser Deposited Ti-6Al-4V Alloy
P2-40: Grain Boundary Character Distributions (GBCDs) of Annealed YIGs
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P2-45: Machine Learning for the 3D Printing of Polymer Composite Inks
Protonic Ceramic Electrolyzer Cells Manufactured by a Novel Laser 3D Printing Technique
Reactive Flash Sintering of Functional Ceramics
Synchrotron Radiation X-ray Diffraction Measurements on Non-metallic Inclusions and their Effect on Fatigue Life in NiTiHf High Temperature Shape Memory Alloys
The Influence of Heat Treatment on the Transformation Behavior of Additively Manufactured NiTiHf Shape Memory Alloys
The Influence of Thermal Cycling on the Indentation-Induced Two-way Shape Memory Effect in NiTi Alloys

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